Question 1

What does P0221 mean?

Accepted Answer

P0221 - Throttle/Pedal Position Sensor B Range/Performance. Secondary TPS signal is erratic or out of expected range.

Question 2

What are the symptoms of P0221?

Accepted Answer

Reduced power mode, Check engine light, Poor throttle response

Question 3

What causes P0221?

Accepted Answer

Dirty throttle body, Failed electronic throttle body, Carbon affecting sensor B readings, Wiring issue

Question 4

How much does it cost to fix P0221?

Accepted Answer

Typical repair cost: $100-$600. Clean throttle body — carbon can interfere with the second TPS sensor.

P0221 — Throttle/Pedal Position Sensor B Range/Performance

Don't guess — diagnose P0221 the right way